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We show that automated person detection under occlusion conditions can be significantly improved by combining multi-perspective images before classification. Here, we employed image integration by Airborne Optical Sectioning (AOS)---a…

Machine Learning · Computer Science 2020-12-10 David C. Schedl , Indrajit Kurmi , Oliver Bimber

This paper proposes a DNN-based system that detects multiple people from a single depth image. Our neural network processes a depth image and outputs a likelihood map in image coordinates, where each detection corresponds to a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 David Fuentes-Jimenez , Cristina Losada-Gutierrez , David Casillas-Perez , Javier Macias-Guarasa , Roberto Martin-Lopez , Daniel Pizarro , Carlos A. Luna

This work proposes a novel pose estimation model for object categories that can be effectively transferred to previously unseen environments. The deep convolutional network models (CNN) for pose estimation are typically trained and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Negar Nejatishahidin , Pooya Fayyazsanavi , Jana Kosecka

Population aging is one of the most serious problems in certain countries. In order to implement its countermeasures, understanding its rapid progress is of urgency with a granular resolution. However, a detailed and rigorous survey with…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Yuta Sato

We present the development and evaluation of a hand tracking algorithm based on single depth images captured from an overhead perspective for use in the COACH prompting system. We train a random decision forest body part classifier using…

Computer Vision and Pattern Recognition · Computer Science 2015-03-10 Stephen Czarnuch , Alex Mihailidis

In this preliminary study, we used the Global Database of Events, Language, and Tone (GDELT) database to examine xenophobic events reported in the media during 2022. We collected a dataset of 2,778 unique events and created a choropleth map…

Computers and Society · Computer Science 2023-08-10 Himarsha R. Jayanetti , Erika Frydenlund , Michele C. Weigle

Camera localization, i.e., camera pose regression, represents an important task in computer vision since it has many practical applications such as in the context of intelligent vehicles and their localization. Having reliable estimates of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Matteo Vaghi , Augusto Luis Ballardini , Simone Fontana , Domenico Giorgio Sorrenti

With Deep Learning Image Classification becoming more powerful each year, it is apparent that its introduction to disaster response will increase the efficiency that responders can work with. Using several Neural Network Models, including…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Jianyu Mao , Kiana Harris , Nae-Rong Chang , Caleb Pennell , Yiming Ren

Many post-disaster and -conflict regions do not have sufficient data on their transportation infrastructure assets, hindering both mobility and reconstruction. In particular, as the number of aging and deteriorating bridges increase, it is…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Arya Pamuncak , Weisi Guo , Ahmed Soliman Khaled , Irwanda Laory

Knowledge over the number of animals in large wildlife reserves is a vital necessity for park rangers in their efforts to protect endangered species. Manual animal censuses are dangerous and expensive, hence Unmanned Aerial Vehicles (UAVs)…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Benjamin Kellenberger , Diego Marcos , Devis Tuia

Building damage detection after natural disasters like earthquakes is crucial for initiating effective emergency response actions. Remotely sensed very high spatial resolution (VHR) imagery can provide vital information due to their ability…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Jun Wang

Deep Learning-based image super-resolution (SR) has been gaining traction with the aid of Generative Adversarial Networks. Models like SRGAN and ESRGAN are constantly ranked between the best image SR tools. However, they lack principled…

Image and Video Processing · Electrical Eng. & Systems 2024-12-23 Maniraj Sai Adapa , Marco Zullich , Matias Valdenegro-Toro

The bounded rationality is a crucial component in human behaviors. It plays a key role in the typical collective behavior of evacuation, in which the heterogeneous information leads to the deviation of rational choices. In this study, we…

Physics and Society · Physics 2022-01-28 Huaidian Hou , Lingxiao Wang

Social distancing is a recommended solution by the World Health Organisation (WHO) to minimise the spread of COVID-19 in public places. The majority of governments and national health authorities have set the 2-meter physical distancing as…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Mahdi Rezaei , Mohsen Azarmi

In this work, we introduce Deep Bingham Networks (DBN), a generic framework that can naturally handle pose-related uncertainties and ambiguities arising in almost all real life applications concerning 3D data. While existing works strive to…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Haowen Deng , Mai Bui , Nassir Navab , Leonidas Guibas , Slobodan Ilic , Tolga Birdal

This research represents a pioneering application of automated pose estimation from drone data to study elephant behavior in the wild, utilizing video footage captured from Samburu National Reserve, Kenya. The study evaluates two pose…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Brody McNutt , Libby Zhang , Angus Carey-Douglas , Fritz Vollrath , Frank Pope , Leandra Brickson

Object pose estimation is crucial to robotic perception and typically provides a single-pose estimate. However, a single estimate cannot capture pose uncertainty deriving from visual ambiguity, which can lead to unreliable behavior.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Frederik Hagelskjær , Dimitrios Arapis , Steffen Madsen , Thorbjørn Mosekjær Iversen

The rigorous evaluation of anti-poverty programs is key to the fight against global poverty. Traditional evaluation approaches rely heavily on repeated in-person field surveys to measure changes in economic well-being and thus program…

General Economics · Economics 2021-04-27 Luna Yue Huang , Solomon Hsiang , Marco Gonzalez-Navarro

The performance of deep learning based image super-resolution (SR) methods depend on how accurately the paired low and high resolution images for training characterize the sampling process of real cameras. Low and high resolution…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Yanhui Guo , Xiaolin Wu , Xiao Shu

While many real-world data streams imply that they change frequently in a nonstationary way, most of deep learning methods optimize neural networks on training data, and this leads to severe performance degradation when dataset shift…

Machine Learning · Computer Science 2021-07-02 Wonju Lee , Seok-Yong Byun , Jooeun Kim , Minje Park , Kirill Chechil